Sectional sofa



FIG. 1 is a perspective view of a sectional sofa of my new design;

FIG. 2 is a right front elevational view thereof;

FIG. 3 is a left front elevational view thereof;

FIG. 4 is a right rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a left rear elevational view thereof.

The ornamental design for a sectional sofa, as shown and described.